/Engine/Source/Runtime/Core/Public/GenericPlatform/GenericPlatformMemory.h
Maps a named shared memory region into process address space (creates or opens it)
pointer toFSharedMemoryRegion(or its descendants) if successful, NULL if not.
static [FSharedMemoryRegion](API\Runtime\Core\GenericPlatform\FGenericPlatformMemory\FSharedMemoryRegion) * MapNamedSharedMemoryRegion ( const [FString](API\Runtime\Core\Containers\FString) & Name, bool bCreate, uint32 AccessMode, SIZE_T Size )